Sha Zukang

Alcohol.

One of the well-known effects of alcohol is that it reduces inhibitions. China’s top-ranking UN diplomat, Sha Zukang, experimented with the substance at a banquet at a UN retreat in the Austrian ski resort of Alpbach. Addressing one of his American colleagues during a rambling toast, the truth tumbled out: "I really don't like him: he's an American and I really don't like Americans."